feat(tui): unified cluster restore progress display

- Add combined overall progress bar showing all phases (0-100%)
- Phase 1/3: Extracting Archive (0-60% of overall)
- Phase 2/3: Restoring Globals (60-65% of overall)
- Phase 3/3: Restoring Databases (65-100% of overall)
- Show current database name during restore
- Phase-aware progress tracking with overallPhase, currentDB, extractionDone
- Dual progress bars: overall + phase-specific (bytes or db count)
- Better visual feedback during entire cluster restore operation

v3.42.48

main.go

@@ -16,7 +16,7 @@ import (
 
 // Build information (set by ldflags)
 var (
-	version   = "3.42.34"
+	version   = "3.42.48"
 	buildTime = "unknown"
 	gitCommit = "unknown"
 )